Enjene ea N52 e tsoang BMW - litšobotsi tsa yuniti e kentsoeng, ho kenyeletsoa ho E90, E60 le X5

The in-line six e nang le ente e tloaelehileng e ntse e tsoela pele ho lebala. Sena se amana le phetoho ea litlhoko tsa bareki ba BMW, hammoho le ho hlahisoa ha litekanyetso tse thibelang ho ntša metsi, tse qobellang baqapi ho sebelisa litharollo tse ling. Enjene ea N52 ke e 'ngoe ea mefuta ea ho qetela e nkoang e le likarolo tse tloaelehileng tsa BMW. Ho bohlokoa ho tseba eng ka eona?

Enjene ea N52 - lintlha tsa motheo

Yuniti e ile ea hlahisoa ho tloha 2004 ho isa 2015. Sepheo sa morero e ne e le ho nkela mofuta oa M54 sebaka. Qalong e ile ea oela ho E90 3-series model, hammoho le E65 6. Ntlha ea bohlokoa e ne e le hore N52 e ne e le sehlahisoa sa pele sa BMW ha ho tluoa tabeng ea li-unit tse pholileng ka metsi. 

E boetse e sebelisa mohaho o kopantsoeng - magnesium le aluminium. Enjene e hapile likhau tse ngata, ho kenyelletsa le sebaka lethathamong la Ward's Top 10 ka 2006 le 2007. Ho khahlisang, ho ne ho se na mofuta oa M oa enjene ena.

Mantsiboea a enjene e ne e le ka 2007. Ka nako eo, BMW e ile ea etsa qeto ea ho ntša sethuthuthu butle 'marakeng. Maemo a thibelang mollo a bile le tšusumetso e kholo ho sena - haholo-holo linaheng tse kang USA, Canada, Australia le Malaysia. Karolo e ileng ea e nkela sebaka ke enjene ea turbocharged ea N20. Qetello ea tlhahiso ea N52 e etsahetse ka 2015.

Motsoako oa magnesium le aluminium - ke liphello life tse fumanoeng?

Joalokaha ho boletsoe pejana, mohaho o thehiloe holim'a boloko bo entsoeng ka motsoako oa magnesium-aluminium. Khokahano e joalo e ne e sebelisoa ka lebaka la thepa ea pele ea lisebelisoa tse boletsoeng. 

E na le boima bo tlase, leha ho le joalo, e ka senyeha habonolo 'me e ka senyeha ke mocheso o phahameng. Ke ka lebaka leo e neng e kopantsoe le aluminium, e hanyetsanang haholo le lintlha tsena. Ntlo ea crankcase e ne e entsoe ka motsoako, 'me aluminium e koahela bokantle. 

Litharollo tsa moralo ho sethuthuthu sa N52

Baqapi ba nkile qeto ea ho sebelisa taolo ea elektroniki ea throttle le nako e fapaneng ea li-valve - sistimi e tsejoa e le double-VANOS. Likarolo tse matla haholoanyane li ne li boetse li na le methati e meraro e fapaneng ea bolelele bo fapaneng - DISA le Valvetronic system.

Alusil e ne e sebelisetsoa li-cylinder liners. Ke motsoako oa hypereutectic aluminium-silicon. Sebopeho se se nang porous sa thepa se boloka oli 'me ke sebaka se loketseng sa ho jara. Alusil e nkile sebaka sa Nikasil se neng se sebelisoa pele, se ileng sa ama ho felisoa ha mathata a kutu ha ho sebelisoa peterole ka sebabole. 

Baqapi ba boetse ba sebelisa camshaft e se nang letho ho fokotsa boima ba 'mele, hammoho le pompo ea metsi ea motlakase le pompo ea oli e feto-fetohang. Enjene ea N52 e kentsoe sistimi ea taolo ea Nokia MSV70 DME.

Setšoantšo sa N52B25 

Mofuta oa pele o ne o e-na le matla a lilithara tse 2,5 (2 cc). E ne e kenngoa ka likoloi tse reretsoeng 'maraka oa Europe, hammoho le Amerika le Canada. Tlhahiso e nkile ho tloha 497 ho isa 2005. Sehlopha sa N52B25 se kenyelletsa mefuta e nang le mekhahlelo e latelang:

• ka 130 kW (174 hp) ho 230 Nm (2005-2008). Ho kenya BMW E90 323i, E60/E61 523i le E85 Z4 2.5i;
• ka 150 kW (201 hp) ho 250 Nm (2007-2011). Ho kenya BMW 323i, 523i, Z4 sDrive23i;
• ka 160 kW (215 hp) ho 250 Nm (2004-2013). Ho kenya BMW E83 X3 2.5si, xDrive25i, E60/E61 525i, 525xi, E90/E91/E92/E93 352i, 325xi le E85 Z4 2.5si.

Setšoantšo sa N52B30

Mofuta ona o na le matla a 3,0 litres (2 cc). Bore ea cylinder e 'ngoe le e' ngoe e ne e le 996 mm, stroke e ne e le 85 mm, 'me tekanyo ea khatello e ne e le 88: 10,7. Phapang ea matla e ne e susumetsoa ke likarolo tse sebelisoang, mohlala. ho kenya mefuta e mengata le software ea ho laola. Sehlopha sa N52B30 se kenyelletsa mefuta e nang le mekhahlelo e latelang:

• ka 163 kW (215 hp) ho 270 Nm kapa 280 Nm (2006-2011). Ho hlongoa ka BMW 7 E90/E92/E93 325i, 325xi, E60/E61 525i, 525xi, E85 Z4 3.0i, E82/E88 125i, E60/E61 528i, 528xi xDrive le E84 X1;
• ka 170 kW (228 hp) ho 270 Nm (2007-2013). Ho kenya BMW E90/E91/E92/E93 328i, 328xi le E82/E88 128i;
• ka 180 kW (241 hp) ho 310 Nm (2008-2011). Ho kenya BMW F10 528i;
• ka 190 kW (255 hp) ho 300 Nm (2010-2011). Kenyelletso ho BMW E63/E64 630i, E90/E92/E93 330i, 330xi, E65/E66 730i, E60/E61 530i, 530xi, F01 730i, E89 Z4 sDrive30i, E84 X1, E28 X87 sDrive130i, E25 X3, E28 XXNUMX Drive, EXNUMX XXNUMX Drive, EXNUMX XXNUMX Drive
• ka 195 kW (261 hp) ho 315 Nm (2005-2009). Ho kenya BMW E85 / E86 Z4 3.0si le E87 130i;
• ka 200 kW (268 hp) ho 315 Nm (2006-2010). Tlhomamiso ho E83 X3 3.0si, E70 X5 3.0si, xDrive30i, E63/E64 630i le E90/E92/E93 330i, 330xi.

Mathata a enjine n52

Yuniti e nkoa e atlehile. Sena ha se sebetse ho mefuta e tšeletseng ea li-cylinder e kentsoeng ho 328i le 525i, e 'nileng ea hopoloa ka lebaka la bofokoli bo pheta-phetoang bo bakang potoloho e khutšoanyane ea mocheso oa mocheso oa crankcase ventilation. 

Ka lehlakoreng le leng, mathata a tloaelehileng a kenyelletsa ho hlōleha ha tsamaiso ea VANOS, hydraulic valve actuators, kapa ho hlōleha ha pompo ea metsi kapa ho senyeha ha thermostat. Basebelisi ba boetse ba ela hloko likoahelo tsa li-valve tse lutlang, matlo a sesefa sa oli, kapa ho se sebetse hantle.